The colour images of the Martian surface sent back from the Viking 1 probe which landed on Mars on 20th July 1976 made world headlines.

But, did one of the three experiments onboard Viking 1 set up to test for life find evidence of life in the martian soil? Many scientists believed this 40 years ago, and many more reputable scientists believe it today.

A new gene has been found which could provide a new therapy against cancer, by cutting off its oxygen supply, and heart disease, by increasing the growth of new blood vessels.

The month of June 2016 was the hottest on record, with records going back to 1880, continuing a pattern of relentless global warming. Are we moving towards a situation where an abrupt climate change, triggered by global warming, could lead to unexpected dangerous consequences for us all?